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JSON to CSV converter online

Convert JSON arrays to spreadsheet-ready CSV for Excel and Google Sheets

Paste a JSON array of objects and flatten it into comma-separated rows with headers. Open the result in Excel, import into Google Sheets, or download a .csv file — all without uploading your data.

This free json to csv tool runs entirely in your browser. API responses, export files, and customer lists stay on your device while you convert json to csv for analysis or sharing.

CSV options

Input JSON
CSV result
CSV rows
Characters
Result size

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Complete guide

Why convert JSON to CSV

REST APIs and modern databases speak JSON, but analysts live in spreadsheets. When you need to convert json to csv for a pivot table, mail merge, or stakeholder review, a dedicated json to csv converter saves hours of manual copy-paste.

JSON nests objects and arrays; CSV is flat by design. A good json to csv tool maps each record to one row and each field to a column, producing output you can open in Excel or Google Sheets without writing a script.

Local conversion matters when records include names, emails, or financial figures. Unlike cloud services that upload your file, this json to csv online converter keeps processing on your machine — the same privacy model teams expect from offline json to csv software.

From JSON file to CSV in Excel

To convert a json file to csv, paste the contents or use Import File, click Convert JSON to CSV, then download or copy the result. Open the file in Excel with UTF-8 encoding so international characters display correctly.

Excel expects a header row followed by data rows. Enable Include header row so column names from JSON keys appear on line one. Semicolon separators suit some European Excel locales; comma is standard for json to csv in excel workflows in North America.

Google Sheets users can paste CSV directly or use File → Import. The same output works for json to csv google sheets imports — no Apps Script required for a one-time export from an API payload.

Large JSON and batch exports

Need to convert large json to csv or handle a big json file? Browser memory sets practical limits, but thousands of flat records convert quickly. For millions of rows, batch json to csv in Python or a data pipeline remains the right choice.

When nested objects appear inside records, this tool stringifies them into a single cell rather than exploding columns. That keeps convert big json file to csv predictable. Flatten deeply nested paths in JSON Path Finder first if you need dotted column names.

Compare row counts after conversion: the CSV data rows (minus header) should match your JSON array length. Mismatches often mean malformed JSON or non-object elements in the array.

Headers, delimiters, and quoting

Headers derive from the union of keys across all objects. Missing keys in some rows become empty cells — normal for heterogeneous API results. Column order follows first-seen keys unless you sort in the spreadsheet afterward.

Choose comma, semicolon, tab, or pipe as the field separator. Fields containing the separator, quotes, or line breaks are wrapped in quotes per RFC CSV conventions. Enable Always quote fields when downstream tools require every cell quoted.

Null and undefined values export as empty strings. Numbers and booleans become text in CSV; Excel may infer types on import. That is expected when you parse json to csv without a typed schema.

Alternatives: Python, Mac, and offline tools

Developers often convert json to csv python with pandas: read_json then to_csv. That scales for automation and convert json to csv download jobs in CI. This page fits ad-hoc inspection when you want json to csv free conversion without installing libraries.

On macOS, json to csv mac users sometimes reach for jq plus csvkit in Terminal. A browser json to csv converter app avoids shell setup when you only need one export from a webhook sample.

json to csv offline desktop apps exist, but they still read your file. Local-in-browser processing offers the same privacy with zero install — useful on locked-down corporate laptops.

Round-trip with CSV to JSON

Edit CSV in a spreadsheet, export, then use our CSV to JSON converter to rebuild an array for API import. Round-tripping works best when columns stay flat and header names match your API schema.

Flattening rules may differ between directions — nested JSON from the original export may not reconstruct from a flat sheet without documented column naming. Keep a copy of the source JSON when auditing changes.

Pair this tool with JSON Formatter to validate syntax before conversion, and JSON Schema Validator when importing converted data into strict production systems.

Detailed guide

Exporting API results to Excel

Copy the JSON array from your API client, paste into the input panel, and convert. Download data.csv and open in Excel — choose UTF-8 if prompted.

For recurring exports, script convert json to csv python in your backend using the same delimiter and quoting rules you verified here.

Trello and third-party JSON exports

Tools like Trello export board data as JSON. Paste the array portion, convert, and open in Sheets for filtering and charts.

If columns look too wide, extract only the fields you need with JSON Path Finder before converting.

Common questions

JSON to CSV Converter FAQ

How do I convert JSON to CSV online for free?

Paste or import your JSON array, choose separator and header options, click Convert JSON to CSV, then copy or download. No account or upload required.

Must input be an array of objects?

CSV rows map best from arrays of objects. A single object is wrapped into a one-row CSV automatically.

Can I convert large JSON files?

Thousands of flat records work well in the browser. Very large files should use batch tools like Python pandas or dedicated ETL pipelines.

Does this work with Google Sheets?

Yes. Copy the CSV output or download the file, then paste or import into Google Sheets.

How are nested JSON fields handled?

Nested objects stringify into one cell. Flatten specific paths first if you need separate columns.

Is there a CSV to JSON tool?

Yes — use the CSV to JSON converter linked above the editor for the reverse conversion.

Does the JSON to CSV Converter send my input to a server?

Yes. Everything runs in your browser. Your input is not uploaded, logged, or stored on our servers.

Do I need an account?

No account or sign-up is required. Open the page and start using the tool immediately.